21786688

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4421}}^1$

素因数の和:4451

約数の個数: 56

約数和(自身を含む): 53913024

約数和(自身を除く): 32126336

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4421, 4928, 8842, 17684, 30947, 35368, 48631, 61894, 70736, 97262, 123788, 141472, 194524, 247576, 282944, 340417, 389048, 495152, 680834, 778096, 990304, 1361668, 1556192, 1980608, 2723336, 3112384, 5446672, 10893344, 21786688]

約数ペア:

[(1, 21786688), (2, 10893344), (4, 5446672), (7, 3112384), (8, 2723336), (11, 1980608), (14, 1556192), (16, 1361668), (22, 990304), (28, 778096), (32, 680834), (44, 495152), (56, 389048), (64, 340417), (77, 282944), (88, 247576), (112, 194524), (154, 141472), (176, 123788), (224, 97262), (308, 70736), (352, 61894), (448, 48631), (616, 35368), (704, 30947), (1232, 17684), (2464, 8842), (4421, 4928)]